80016872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12613}}^1$

素因数の和:12693

約数の個数: 32

約数和(自身を含む): 164234280

約数和(自身を除く): 84217408

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 12613, 25226, 50452, 100904, 163969, 327938, 655876, 769393, 1311752, 1538786, 3077572, 6155144, 10002109, 20004218, 40008436, 80016872]

約数ペア:

[(1, 80016872), (2, 40008436), (4, 20004218), (8, 10002109), (13, 6155144), (26, 3077572), (52, 1538786), (61, 1311752), (104, 769393), (122, 655876), (244, 327938), (488, 163969), (793, 100904), (1586, 50452), (3172, 25226), (6344, 12613)]